test/MC/ARM/eh-directive-handlerdata.s

   1 @ RUN: llvm-mc %s -triple=armv7-unknown-linux-gnueabi -filetype=obj -o - \
   2 @ RUN:   | llvm-readobj -s -sd -sr | FileCheck %s
   3
   4 @ Check the .handlerdata directive (without .personality directive)
   5
   6         .syntax unified
   7
   8 @-------------------------------------------------------------------------------
   9 @ TEST1
  10 @-------------------------------------------------------------------------------
  11         .section        .TEST1
  12         .globl  func1
  13         .align  2
  14         .type   func1,%function
  15         .fnstart
  16 func1:
  17         bx      lr
  18         .handlerdata
  19         .fnend
  20
  21
  22 @ CHECK:Section {
  23 @ CHECK:  Name: .TEST1
  24 @ CHECK:  SectionData (
  25 @ CHECK:    0000: 1EFF2FE1                             |../.|
  26 @ CHECK:  )
  27 @ CHECK:}
  28
  29 @ CHECK:Section {
  30 @ CHECK:  Name: .ARM.extab.TEST1
  31 @ CHECK:  SectionData (
  32 @ CHECK:    0000: B0B0B080                             |....|
  33 @ CHECK:  )
  34 @ CHECK:}
  35
  36 @ CHECK:Section {
  37 @ CHECK:  Name: .ARM.exidx.TEST1
  38 @ CHECK:  SectionData (
  39 @ CHECK:    0000: 00000000 00000000                    |........|
  40 @ CHECK:  )
  41 @ CHECK:}
  42 @-------------------------------------------------------------------------------
  43 @ We should see a relocation entry to __aeabi_unwind_cpp_pr0, so that the
  44 @ linker can keep __aeabi_unwind_cpp_pr0.
  45 @-------------------------------------------------------------------------------
  46 @ CHECK: Section {
  47 @ CHECK:  Name: .rel.ARM.exidx.TEST1
  48 @ CHECK:  Relocations [
  49 @ CHECK:    0x0 R_ARM_PREL31 .TEST1 0x0
  50 @ CHECK:    0x0 R_ARM_NONE __aeabi_unwind_cpp_pr0 0x0
  51 @ CHECK:    0x4 R_ARM_PREL31 .ARM.extab.TEST1 0x0
  52 @ CHECK:  ]
  53 @ CHECK: }
  54
  55
  56
  57 @-------------------------------------------------------------------------------
  58 @ TEST2
  59 @-------------------------------------------------------------------------------
  60         .section        .TEST2
  61         .globl  func2
  62         .align  2
  63         .type   func2,%function
  64         .fnstart
  65 func2:
  66 @-------------------------------------------------------------------------------
  67 @ Use a lot of unwind opcdes to get __aeabi_unwind_cpp_pr1.
  68 @-------------------------------------------------------------------------------
  69         .save   {r4, r5, r6, r7, r8, r9, r10, r11, r12}
  70         push    {r4, r5, r6, r7, r8, r9, r10, r11, r12}
  71         pop     {r4, r5, r6, r7, r8, r9, r10, r11, r12}
  72         .pad    #0x240
  73         sub     sp, sp, #0x240
  74         add     sp, sp, #0x240
  75         bx      lr
  76         .handlerdata
  77         .fnend
  78
  79
  80
  81 @ CHECK:Section {
  82 @ CHECK:  Name: .TEST2
  83 @ CHECK:  SectionData (
  84 @ CHECK:    0000: F01F2DE9 F01FBDE8 09DD4DE2 09DD8DE2  |..-.......M.....|
  85 @ CHECK:    0010: 1EFF2FE1                             |../.|
  86 @ CHECK:  )
  87 @ CHECK:}
  88
  89 @ CHECK:Section {
  90 @ CHECK:  Name: .ARM.extab.TEST2
  91 @ CHECK:  SectionData (
  92 @ CHECK:    0000: 0FB20181 B0B0FF81                    |........|
  93 @ CHECK:  )
  94 @ CHECK:}
  95
  96 @ CHECK:Section {
  97 @ CHECK:  Name: .ARM.exidx.TEST2
  98 @ CHECK:  SectionData (
  99 @ CHECK:    0000: 00000000 00000000                    |........|
 100 @ CHECK:  )
 101 @ CHECK:}
 102 @-------------------------------------------------------------------------------
 103 @ We should see a relocation entry to __aeabi_unwind_cpp_pr0, so that the
 104 @ linker can keep __aeabi_unwind_cpp_pr0.
 105 @-------------------------------------------------------------------------------
 106 @ CHECK: Section {
 107 @ CHECK:  Name: .rel.ARM.exidx.TEST2
 108 @ CHECK:  Relocations [
 109 @ CHECK:    0x0 R_ARM_PREL31 .TEST2 0x0
 110 @ CHECK:    0x0 R_ARM_NONE __aeabi_unwind_cpp_pr1 0x0
 111 @ CHECK:    0x4 R_ARM_PREL31 .ARM.extab.TEST2 0x0
 112 @ CHECK:  ]
 113 @ CHECK: }